81251885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5981}}^1$

素因数の和:6029

約数の個数: 32

約数和(自身を含む): 120597120

約数和(自身を除く): 39345235

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 2717, 5981, 13585, 29905, 65791, 77753, 113639, 328955, 388765, 568195, 855283, 1250029, 1477307, 4276415, 6250145, 7386535, 16250377, 81251885]

約数ペア:

[(1, 81251885), (5, 16250377), (11, 7386535), (13, 6250145), (19, 4276415), (55, 1477307), (65, 1250029), (95, 855283), (143, 568195), (209, 388765), (247, 328955), (715, 113639), (1045, 77753), (1235, 65791), (2717, 29905), (5981, 13585)]